StopTech Slotted Sport Brake Rotors are premium replacement brake discs designed for high-performance street driving. The 126.45024SL is a single Left-Front (Drivers Side) Slotted Rotor featuring a specialized dacromet coating for corrosion resistance and high-carbon metallurgy for improved cooling and reduced brake fade. The directional slotting aids in evacuating debris, water, and gases to maintain a consistent friction surface. Components: 1 x 126.45024SL (Left Side Slotted Rotor). Professional installation recommended for optimal braking performance.